<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>

  <style>
    table,
    th,
    td {
      border: 1px solid #000;
      border-collapse: collapse;
    }

    table {
      margin: auto;
      text-align: center;
      width: 600px;
    }

    th {
      background-color: rgb(222, 220, 220);
    }

    tr:hover {
      background-color: rgb(222, 220, 220);
    }
  </style>
</head>

<body>
  <table>
    <caption>学生信息</caption>
    <tr>
      <th>序号</th>
      <th>姓名</th>
      <th>年龄</th>
      <th>性别</th>
      <th>家乡</th>
    </tr>

    <script>
      let students = [
        { name: '小明', age: 18, gender: '男', hometown: '河北省' },
        { name: '小红', age: 19, gender: '女', hometown: '河南省' },
        { name: '小刚', age: 17, gender: '男', hometown: ' 山西省' },
        { name: '小丽', age: 18, gender: '女', hometown: ' 山东省' }
      ]
      for (let i = 0; i < students.length; i++) {
        document.write(`
         <tr>
            <td>${i + 1}</td>
            <td>${students[i].name}</td>
            <td>${students[i].age}</td>
            <td>${students[i].gender}</td>
            <td>${students[i].hometown}</td>
        </tr>
        `)
      }
    </script>
  </table>

</body>

</html>